diff --git a/Polygonal_surface_reconstruction/package_info/Polygonal_surface_reconstruction/dependencies b/Polygonal_surface_reconstruction/package_info/Polygonal_surface_reconstruction/dependencies
index c85543f61af..78d10aaccf3 100644
--- a/Polygonal_surface_reconstruction/package_info/Polygonal_surface_reconstruction/dependencies
+++ b/Polygonal_surface_reconstruction/package_info/Polygonal_surface_reconstruction/dependencies
@@ -1,3 +1,4 @@
+Algebraic_foundations
 Kernel_23
 STL_Extension
 Circulator